Pith Number

pith:ZBZXAFEX

pith:2005:ZBZXAFEX6WLASUTMLFXXN3CYCD

not attested not anchored not stored refs pending

Giant flare of SGR 1806-20 from a relativistic jet

Fumio Takahara, Kunihito Ioka, Noriaki Shibazaki, Ryo Yamazaki

arxiv:astro-ph/0502320 v3 · 2005-02-16 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZBZXAFEX6WLASUTMLFXXN3CYCD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:40:34.396116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c873701497f59609526c596f76ec5810d64e2f9b5d19dae444935ce0eaa5adf7

Aliases

arxiv: astro-ph/0502320 · arxiv_version: astro-ph/0502320v3 · doi: 10.48550/arxiv.astro-ph/0502320 · pith_short_12: ZBZXAFEX6WLA · pith_short_16: ZBZXAFEX6WLASUTM · pith_short_8: ZBZXAFEX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZBZXAFEX6WLASUTMLFXXN3CYCD \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c873701497f59609526c596f76ec5810d64e2f9b5d19dae444935ce0eaa5adf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2343524dc966a60197ea40c88590a10e41b10a8d58d48622ef88d22401f209b0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-16T15:51:34Z",
    "title_canon_sha256": "1dfcc97d2a9e3c870ad9d2b45c2d2a28938aa06f4d20ba0e92005f67e8336c3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502320",
    "kind": "arxiv",
    "version": 3
  }
}